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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Motorola Droid X	BlackBerry 7750	Motorola v66i	Siemens CX75	Nokia Lumia 521 / 520
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	4.3" diag. 16 : 9	?	?	?	4" diag. 5 : 3
Display Resolution & Type	480 x 854 pixels (~228 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	?	132 x 176 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,540 mAh	?	?	750 mAh	1,430 mAh
Processor	1 GHz TI OMAP 3630 (ARM Cortex A8)	?	?	?	1 GHz Qualcomm Snapdragon S4 MSM8270
RAM	?	?	?	?	512 MB
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	8 megapixel	-	-	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	?	720p HD
Front Camera	-	-	-	-	-
Weight	5.47 oz (155g)	5.01 oz (142g)	2.79 oz (79g)	3.46 oz (98g)	4.39 oz (124g)
Dimensions	5" x 2.6" x 0.4" (127 x 66 x 10.2 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.3" x 1.7" x 0.83" (84 x 43 x 21.1 mm)	4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	BlackBerry OS	(proprietary)	(proprietary)	Windows
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO rA	1xRTT	GPRS	GPRS	HSPA+ 21
Features
GPS / Location	n/a	n/a	-	-	n/a
Accessibility
Hearing Aid Compatible	Yes	-	-	-	Yes
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Ringer Profiles	-	Yes	-	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	-	-	Yes Classic Audio	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes	Yes	Yes	Yes	Yes
Wi-Fi	Yes	-	-	-	Yes
Contacts
Picture ID	n/a	n/a	-	Yes	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	n/a	-	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes	-	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	-	Yes	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	Yes	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	-	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	-	-	Yes	Yes
	Motorola Droid X	BlackBerry 7750	Motorola v66i	Siemens CX75	Nokia Lumia 521 / 520
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Motorola Droid X	BlackBerry 7750	Motorola v66i	Siemens CX75	Nokia Lumia 521 / 520